constants COLUMN_OR_NAME module-attribute ¤ COLUMN_OR_NAME = Union[Column, str] spark column or column name INT_OR_COLUMN module-attribute ¤ INT_OR_COLUMN = Union[int, Column, str] int, spark column or column name FLOAT_OR_COLUMN module-attribute ¤ FLOAT_OR_COLUMN = Union[float, Column, str] float, spark column or column name STRING_OR_COLUMN module-attribute ¤ STRING_OR_COLUMN = Union[str, Column] string or spark column